About this role
Operational Buyer 100% 100% Besi Switzerland AG (formerly Esec AG) is a company of the Dutch Besi Group and one of the world's leading developer of leading edge assembly equipment and processes for leadframe, substrate and wafer level packaging applications in Advanced Packaging for semiconductor industry, headquartered in Switzerland and with service centers in Europe, Asia and the USA. Your future responsibilities In this role, you will drive supplier performance, support cross\-functional project execution, and ensure supply chain readiness throughout the product lifecycle. Manage end\-to\-end procurement activities for prototyping parts (mechatronic assemblies), ensuring timely material availability through efficient SAP processes Monitor supplier performance, initiate corrective actions, and support supplier selection and sourcing decisions Manage RFQs, analyze quotations, conduct cost benchmarking, and negotiate commercial terms with suppliers Create and manage purchase orders and contracts, resolve invoice discrepancies, and maintain accurate SCM master data Collaborate closely with R\&D, Manufacturing, Quality, Finance, and Supply Chain teams to ensure successful NPI implementation and supply chain readiness Identify supply risks and drive continuous improvement initiatives across the supplier base What makes you successful You are a proactive, analytical, and a hands\-on professional who enjoys working in a dynamic and international environment. Degree in Mechanical Engineering, Supply Chain Management, Business Administration, or a related field Experience in operational Purchasing, Procurement, or Supply Chain Management within a high\- tech or manufacturing environment Strong negotiation skills and experience working with SAP Proven ability to build and develop supplier relationships while driving performance improvements Strong analytical, problem\-solving, and stakeholder management skills Fluency in English is essential; German is a plus What we offer Attractive social benefits Employee bonus program Contributions to Reka checks, Faboo and green benefits Flexible working hours and much more! We only consider direct applications for this position. Applications from recruitment agencies will not be considered or responded to. jpidc2ab80cjm jit0833jm jiy26jm